diff --git a/nise/__init__.py b/nise/__init__.py
index b93d9cc2..e487d2f3 100644
--- a/nise/__init__.py
+++ b/nise/__init__.py
@@ -1,3 +1,3 @@
-__version__ = "4.5.4"
+__version__ = "4.5.5"
 
 VERSION = __version__.split(".")
diff --git a/nise/generators/azure/azure_generator.py b/nise/generators/azure/azure_generator.py
index faa0b915..3637d1b8 100644
--- a/nise/generators/azure/azure_generator.py
+++ b/nise/generators/azure/azure_generator.py
@@ -331,7 +331,7 @@ def _add_common_usage_info(self, row, start, end, **kwargs):
             row["BillingPeriodEndDate"] = self.last_day_of_month(start).strftime(DATE_FMT)
         else:
             row["SubscriptionGuid"] = self.subscription_guid
-            row["UsageDateTime"] = start.strftime("%Y-%m-%d %H:%M:%S")
+            row["UsageDateTime"] = start.strftime(DATE_FMT)
         return row
 
     def _add_tag_data(self, row):